Couples Watch: Rihanna & Her Man's Romantic Post-Concert Getaway

 In between shows on her Last Girl on Earth tour,Rihanna snuck in a visit with baseball player beau Matt Kemp in San Diego. The two were spotted in the Living Room lounge at the W Hotel, where Kemp happily carried his girlfriend's lime green suitcase to their room. As for the rest of their stay, the two remained rather quiet and hidden.

 Matt Damon and pregnant wifeLuciana, ordering takeout from Bubba's Burger in Hanalei, Hawaii. As they waited for their meal, Damon signed several autographs. People noticed the actor and his wife, who looked tan and relaxed, though many didn't bother him.

 Meanwhile, in Malibu, pal Ben Affleck enjoyed a date night with wife Jennifer Garner at Nobu. The two, both clad in black, left the restaurant holding hands as they walked to their car.

 True Blood hottie Joe Manganiello and girlfriend Audra Marie, mingling and hanging out at TAG Heuer's "Odyssey of Pioneers" cocktail party in Malibu, Calif. The two checked out the exhibition before going to an Aerosmith concert, which was a birthday present for Marie. Also at the bash: Kellan Lutz.

 Miami Heat's Chris Bosh skipped autograph signing for more time with girlfriend Adrienne Williams and his friends at New York eatery Prime Ko. The NBA star and his 10 friends ordered the restaurant's whole menu, including Kobe beef, and the sake was flowing as a deejay spun tunes, providing a soundtrack for a fun, lively night out.